| Name | Type | Bio |
| Arthur Laurents | author |
Arthur Laurents (born July 14, 1918) is an American playwright,... |
| Howard Lindsay | author |
Howard Lindsay (March 29, 1889 - February 11, 1968) was a Broadw... |
| Frederick Loewe | author |
Frederick Loewe (June 10, 1901 - February 14, 1988) was a highly... |
| Alan Jay Lerner | author |
Alan Jay Lerner (August 31, 1918 – June 14, 1986) was an Ameri... |
| John La Touche | author |
John La Touche (born November 13, 1917, in Richmond, Virginia, ... |
| James Lapine | author |
James Lapine (born January 10, 1949 in Mansfield, Ohio) is an Am... |
| Isobel Lennart | author | ... |
| Frank Loesser | author |
Frank Henry Loesser (June 29, 1910, New York City - July 26, 196... |
| Charles Lederer | author |
Charles Davies Lederer (December 31, 1906 - March 5, 1976) was a... |
| Jerome Lawrence | author |
Jerome Lawrence Schwartz (July 14, 1915 in Cleveland, Ohio - Feb... |
| Robert Lee | author |
Robert Edwin Lee (October 15, 1918 - July 8, 1994), was a playw... |
| Mitch Leigh | author |
Mitch Leigh (born January 30, 1928 in Brooklyn, New York) is an ... |
| Franz Lehár | author | ... |
| Viktor Leon | author | ... |
| Jonathan Larson | author |
Jonathan Larson (February 4, 1960 – January 25, 1996) was an A... |
| Ferdinand Lemaire | author | ... |
| David Landay | author | ... |
| Joshua Logan | author | ... |
| Robert Lopez | author | ... |
| Clare Boothe Luce | author | ... |
| Jeffrey Lane | author | Work wi... |
| Lisa Lambert | author | ... |
| Burton Lane | author |
Burton Lane (February 2, 1912, New York City - January 5, 1997, ... |
| Craig Lucas | author |
Craig Lucas is a American playwright, screenwriter, theatre dire... |
| John Treville Latouche | author |
John Treville Latouche (November 13, 1914 – August 7, 1956) wa... |
| Carolyn Leigh | author |
Carolyn Leigh (born August 21, 1926 New York, NY, died November ... |
| György Ligeti | author | ... |
| Stewart Lee | author |
Stewart Lee (born April 5, 1968 in Solihull) is an English stand... |
| John Lennon | author | ... |
| Pierre Loti | author | ... |
| Michael John LaChiusa | author |
Michael John LaChiusa (born 1962) is a musical theatre composer ... |
| Mike Leander | author | ... |
| Ruggiero Leoncavallo | author | ... |
| Hedwig Lachmann | author | ... |
| Luigi Lechi | author | ... |
| Warren Leight | author | ... |
| Ken Ludwig | author |
Ken Ludwig (born 1950 in York, Pennsylvania) is a Tony Award nom... |
| Ed Linderman | author | ... |
| Jacques Levy | author |
Jacques Levy (b. July 29, 1935; d. September 30, 2004) was a Jew... |
| Frank Lazarus | author | ... |
| Trevor Lyttleton, | author | ... |
| Ange Lorenzo | author | ... |
| Isabel Leighton | author | ... |
| Robert Longden | author | ... |
| Michel Legrand | author |
Michel Legrand (born February 24, 1932 in Paris) is a French mu... |
| Michael J. Lewis | author | ... |
| Bryan Louiselle | author | ... |
| David N. Lawrence | author | ... |
| Jack Lawrence | author |
Jack Lawrence (born April 7, 1912) is a songwriter. He ... |
| Fran Landesman | author |
Fran Landesman (b. 1927) is an American lyricist and poet. ... |
| Jay Livingston | author |
Jay Livingston (March 28, 1915 - October 17, 2001) was a partne... |
| Baron Herman Løvenskiold | author |
Baron Herman Løvenskiold (1815-1870) was a Norwegian composer ... |
| Robert Lorick | author |
Robert Lorick is an actor and lyricist, best known for his work... |
| Tom Lehrer | author | ... |
| Andrew Lippa | author |
Andrew Lippa is an American composer, lyricist, book writer, pe... |
| Jerry Leiber | author | ... |
| Marvin Laird | author | ... |
| Frank Langella | non-author | ... |
| William Ivey Long | non-author |
William Ivey Long is an American 5-time Tony Award-winning cost... |
| David Lindsay-Abaire | author | ... |
| Sumner Arthur Long | author | ... |
| Harper Lee | author | ... |
| Tracy Letts | author | ... |
| Matthew Lombardo | author | ... |
| Russell Lees | author | ... |
| Adrien-Joseph Le Valois d'Orville | author | ... |
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